Nokia, which ditched its own mobile OS – Symbian, for Windows Phone, is apparently working on a Windows 8 tablet, in collaboration with Microsoft. It will be launched by June 2012. With all of its hardware efforts aligned with Microsoft, Nokia is probably the closest thing to Microsoft’s own hardware arm.

With Dell, HP, and Samsung also rumored to be working on their Windows 8 tablets and ultrabooks, it seems that Microsoft now has the support of every major hardware manufacturer for the much awaited Windows 8, which will be launched in 2012.

This information was revealed by the head of Nokia France, who also let it slip that Nokia was working to launch a higher-end Lumia handset powered by Windows Phone 7.5 soon.

“It’s just the equivalent of the BMW 5 Series. We will soon have a full range with a Series 7 and Series 3.”

He likely referenced the Lumia 800 as a BMW 5, and the Lumia 710 as the BMW 3. The BMW 7 is presumably going to be the Lumia 900. Nokia has already launched the Lumia 800 and the Lumia 710. Rumors suggest that its next Windows Phone device will be the Lumia 900, which will have a 4.3 inch ClearBlack AMOLED display, an 8 MP camera, and a 1.4 GHz processor with 16 or 32 GB of internal storage. It is expected to be launched in Q1 2012.